Celtic Instrumentation Ltd

Active03092822 Private limited company

Incorporated: 18 August 1995 (31 years)
Previously known as: Celtic Marine & Instrumentation Ltd (until 6 October 2008)
Celtic Instrumentation Limited (until 14 November 2005)
Industry: Installation of industrial machinery and equipment (33200)
Agents specialized in the sale of other particular products (46180)
Engineering related scientific and technical consulting activities (71122)
Directors: Rhodri Proser Lewis
Owned by: Rhodri Proser Lewis
Accounts type: Micro entity
Region: Wales
Address: 6 Coalbrook Road
Pontyberem
Llanelli
SA15 5HU

Website & contact details

Website: celticinst.com

Filing status

Accounts due: 31 August 2027
Last accounts: 30 November 2025
Conf. stmt due: 29 September 2027
Last conf. stmt: 15 September 2026

Officers 2 active

Officer details are public data from the Companies House register.

Lewis, Rhodri Proser

Director · Appointed 21 November 2012

British

Born May 1983 (43)

Lewis, Rhodri Proser

Secretary · Appointed 23 September 2011

Officer history (5 former)

22 June 2016

Resigned Lewis, David Prosser as Director

21 November 2012

Appointed Lewis, Rhodri Proser as Director

23 September 2011

Appointed Lewis, Rhodri Proser as Secretary

23 September 2011

Resigned Jones, Belinda Maria as Secretary

30 September 2002

Appointed Jones, Belinda Maria as Secretary

30 September 2002

Resigned Hughes, Joyce as Secretary

18 August 1995

Appointed Severnside Secretarial Limited as Corporate Nominee Secretary

18 August 1995

Resigned Severnside Secretarial Limited as Corporate Nominee Secretary

18 August 1995

Appointed Severnside Nominees Limited as Corporate Nominee Director

18 August 1995

Resigned Severnside Nominees Limited as Corporate Nominee Director

18 August 1995

Appointed Hughes, Joyce as Secretary

18 August 1995

Appointed Lewis, David Prosser as Director

Ownership 1 active

People and entities with significant control, from the Companies House PSC register

Rhodri Proser Lewis

Individual · Notified 6 April 2016

Owns 75–100% of shares

Holds 75–100% of voting rights

Right to appoint and remove directors

British

Born May 1983 (43)

Former controllers (1)

27 April 2026

Ceased David Prosser Lewis — Owns 75–100% of shares

Financials

Balance sheet as at 30 November 2025 · micro entity accounts

Net Assets: £21,040
Employees: 1

Debt Ratio: 36%
Current Ratio: 2.7x

Trend

Net Assets

Balance sheet detail

	2025	2024	2023	2021	2020	2019
Fixed Assets	£1,195	£1,162	£2,306	£2,909	£2,514	£7,208
Current Assets	£31,487	£30,246	£31,971	£46,244	£54,545	£32,168
Debtors				£16,352	£16,001	£18,975
Cash				£29,142	£37,794	£12,443
Creditors (< 1 year)	£11,642	£10,920	£8,691	£4,298	£3,921	£2,840
Creditors (> 1 year)	£0	£1,200	£3,600	£8,400	£10,800
Net Current Assets	£19,845	£19,326	£23,280	£41,946	£50,624	£29,328
Net Assets	£21,040	£19,288	£21,986	£36,455	£42,338
Shareholder Funds	£21,040	£19,288	£21,986	£36,455	£42,338	£36,536

What Celtic Instrumentation say about themselves

“Celtic Instrumentation Ltd provide UK wide calibration services, repair and testing of instruments & equipment to Engineering sectors, Foundries & Steel Plants, the Food Industry, Health, Medical sector and Laboratories.”

— from celticinst.com